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Technical Data Sheet
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CW-686N — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

CW-686N: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, cross-sectional_height: 0.275 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-082-1110, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
CW-686N
NSN: 5331-00-082-1110
FSC: 5331 — O-ring
CAGE: 16712 — SIEMENS ENERGY, INC. (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
cross-sectional_height0.275 INCHES NOMINAL IN
NSN5331-00-082-1110
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: CW-686N MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.275 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.275 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 2
A-11443Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
N-082Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CW-686N?
CW-686N is a O-RING.
What parts can replace CW-686N?
There are 2 known substitutes for CW-686N: A-11443, N-082. Substitute compatibility should be verified for your specific system.
What is the NSN for CW-686N?
CW-686N is cataloged in the U.S. Government catalog under NSN 5331-00-082-1110. This indicates validated use in U.S. government and defense supply chains.
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